Forecast Details for West Lebanon, PA

Recent Locations: West Lebanon, PA

Today: Showers and thunderstorms before 3pm, then showers and possibly a thunderstorm, mainly after 3pm. High near 61. Southeast wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight: Showers and possibly a thunderstorm. Low around 50. South wind 7 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Thursday: Showers before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers after 5pm. High near 56. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 45. West wind around 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 56. West wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday: Partly sunny, with a high near 60.

Saturday Night: Partly cloudy, with a low around 41.

Sunday: Partly sunny, with a high near 66.

Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.

Memorial Day: A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 50%.

Monday Night: A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.

Tuesday: Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

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North America Water Vapor (Moisture)

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Weather Topic: What are Nimbostratus Clouds?

Home - Education - Cloud Types - Nimbostratus Clouds

Nimbostratus Clouds Next Topic: Precipitation

A nimbostratus cloud is similar to a stratus cloud in its formless, smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud, because it is thicker.

Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat of moderate to heavy precipitation. In some cases, the precipitation may evaporate before reaching the ground, a phenomenon known as virga.

Next Topic: Precipitation

Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds